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Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit f2c58931e629343f7d68258cc2b2d62c5f501ba5)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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This fixes potential divisions by zero and out of array accesses.
Reported-by: Dale Curtis <dalecurtis@chromium.org>
Found-by: inferno@chromium.org
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
(cherry picked from commit 2c16bf2de07c68513072bf3cc96401d2c6291a3e)
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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Fixes out of array read
Fixes: d4476f68ca1c1c57afbc45806f581963-asan_heap-oob_2266b27_8607_cov_4044577381_snow_chroma_bug.avi
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
(cherry picked from commit 61d59703c91869f4e5cdacd8d6be52f8b89d4ba4)
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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Fixes out of array access
Fixes: 14a74a0a2dc67ede543f0e35d834fbbe-asan_heap-oob_49572c_556_cov_215466444_44_001_engine_room.mov
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
(cherry picked from commit c919e1ca2ecfc47d796382973ba0e48b8f6f92a2)
Conflicts:
libavcodec/msrle.c
(cherry picked from commit bc1c8ec5e65098fd2ccd8456f667151dfc9cda42)
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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Prevents out of array writes
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
(cherry picked from commit 842b6c14bcfc1c5da1a2d288fd65386eb8c158ad)
Conflicts:
libavformat/mpegtsenc.c
(cherry picked from commit e87de3f50b765134588d0b048c32ed4b8acc16fb)
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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Fixes corruption of context
Fixes: 8835659dde6a4f7dcdf341de6a45c6c8-signal_sigsegv_1dce67b_4564_cov_2504444599_classical_22_16_1_14000_v3c_0_extend_0_29.wma
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
(cherry picked from commit ec9578d54d09b64bf112c2bf7a34b1ef3b93dbd3)
Conflicts:
libavcodec/wmalosslessdec.c
(cherry picked from commit 5d683807be71002a6c3facef3e26350762a760e2)
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
(cherry picked from commit a0abefb0af64a311b15141062c77dd577ba590a3)
Conflicts:
libavcodec/wmalosslessdec.c
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Fixes NULL pointer dereference
Fixes: signal_sigsegv_1ab8bf4_2847_cov_4254117347_SA10091.vc1
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
(cherry picked from commit b51e9354772de446e8196dabf9aad1567b22f74d)
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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Prevents out of array accesses with CODEC_FLAG_EMU_EDGE
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
(cherry picked from commit 6ba02602aa7fc7d38db582e75b8b093fb3c1608d)
Conflicts:
libavcodec/vmnc.c
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
(cherry picked from commit 7c17207ab9acfaa934e8feb8fba90765c9d0b989)
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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Fixes out of array access with RC_VARIANCE set to 0
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
(cherry picked from commit f1caaa1c61310beba705957e6366f0392a0b005b)
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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Fixes infinite loop
Fixes Ticket3086
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
(cherry picked from commit cc0e47b55096361723b364afa43b79a3f5619cdc)
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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Fixes out of bounds access
Fixes CID732170
Fixes CID732169
No filter is known to use this function in a way so the issue can be reproduced.
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
(cherry picked from commit ab2bfb85d49b2f8aa505816f93e75fd18ad0a361)
Conflicts:
libavfilter/avfilter.c
(cherry picked from commit 86591b244f3a27293153896813f5569b49b2f5c0)
Conflicts:
libavfilter/avfilter.c
(cherry picked from commit 400c4f8fa3fd58951dc3f356b2b00484e3363694)
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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Fixes Ticket2982
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
(cherry picked from commit f31011e9abfb2ae75bb32bc44e2c34194c8dc40a)
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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q4-q7/d8-d15 are supposed to not be clobbered by the callee.
CC: libav-stable@libav.org
Signed-off-by: Martin Storsjö <martin@martin.st>
(cherry picked from commit d307e408d4a9ada22df443cc38be77cc5e492694)
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demuxer
Fixes Ticket2143
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
(cherry picked from commit 1e5271a9fd6ddcceb083f2185a4bbd8d44c9a813)
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Do not consider it an error if we have no frames and should discard one.
This condition can easily happen when decoding is started from an I frame
Fixes Ticket2811
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
(cherry picked from commit 08a89761964bdd0a023eff6d37a1131fb7e1d7a0)
Conflicts:
libavcodec/h264_refs.c
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Fixes Ticket2968
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
(cherry picked from commit 5ac6b6028f17b64723884c9fa72cfcbd369a1ba2)
Conflicts:
libavcodec/h264_refs.c
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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
(cherry picked from commit 3728603f1854b5c79d1a64dd3b41b80640ef1e7f)
Conflicts:
libavcodec/ffv1enc.c
(cherry picked from commit c900c6e5c26cd86cf34f9c8d4347cedbd01f3935)
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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
(cherry picked from commit 454a11a1c9c686c78aa97954306fb63453299760)
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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Fixes out of array accesses
Fixes Ticket2919
Found_by: ami_stuff
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
(cherry picked from commit 86736f59d6a527d8bc807d09b93f971c0fe0bb07)
Conflicts:
libavcodec/pngdsp.c
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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Might fix Ticket1907 (I have no testcase so i cant test)
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
(cherry picked from commit 4758e32a6c48044f77102a49110c79b4f338f648)
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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Fixes out of array access
Fixes Ticket2895
Found-by: Piotr Bandurski <ami_stuff@o2.pl>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
(cherry picked from commit 9a271a9368eaabf99e6c2046103acb33957e63b7)
Conflicts:
libavcodec/jpeg2000dec.c
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Conflicts:
libavcodec/j2kdec.c
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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Fixes out of array accesses
Fixes Ticket2850
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
(cherry picked from commit 3819db745da2ac7fb3faacb116788c32f4753f34)
Conflicts:
libavcodec/rpza.c
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Fixes out of array accesses
Fixes Ticket2844
Found-by: ami_stuff
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
(cherry picked from commit 880c73cd76109697447fbfbaa8e5ee5683309446)
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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Fixes Ticket1605
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
(cherry picked from commit 519ebb5ee5b89b8ecc80b4a4540fcbeb65cda172)
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
(cherry picked from commit 2f3bc5122822687dc388f7352c92cf6db456cf7c)
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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These warnings have no false positives and point to serious bugs.
(cherry picked from commit 99853cb8d4237b810b2fffb4a34f66fd0064ef72)
Conflicts:
configure
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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Fixes vlc decoding for hypothetical files that would contain such cases.
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
(cherry picked from commit 0dfc01c2bbf4b71bb56201bc4a393321e15d1b31)
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
(cherry picked from commit 5ff41ffeb4cb9ea6df49757dc859619dc3d3ab4f)
Conflicts:
libavcodec/huffyuv.c
(cherry picked from commit 9bc70fe1ae50fd2faa0b9429d47cfbda01a92ebc)
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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Prevents out of array writes
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
(cherry picked from commit f67a0d115254461649470452058fa3c28c0df294)
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
(cherry picked from commit 95ab8d33e1a680f30a5a9605175112008ab81afc)
Conflicts:
libavcodec/huffyuv.c
(cherry picked from commit 277def59fce10d91e3113e5c0f63e22bc4abfa88)
Conflicts:
libavcodec/huffyuv.c
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A negative `size' will bypass FFMIN(). In the subsequent memcpy() call,
`size' will be considered as a large positive value, leading to a buffer
overflow.
Change the type of `size' to unsigned int to avoid buffer overflow, and
simplify overflow checks accordingly.
Signed-off-by: Xi Wang <xi.wang@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
(cherry picked from commit 4e692374f7962ea358c329de38c380103f8991b6)
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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Sanity checks like `data + size >= data_end || data + size < data' are
broken, because `data + size < data' assumes pointer overflow, which is
undefined behavior in C. Many compilers such as gcc/clang optimize such
checks away.
Use `size < 0 || size >= data_end - data' instead.
Signed-off-by: Xi Wang <xi.wang@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
(cherry picked from commit 902cfe2f74d777a7dc20ac68f2393b9f84b790c1)
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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Fixes Ticket2861
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
(cherry picked from commit 227a0eb5a92409572f2cecde6137529b83e7d495)
Conflicts:
libavformat/avidec.c
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Fixes Ticket2574
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
(cherry picked from commit 970c8df73528659925819dec31c4c8c0887f0321)
Conflicts:
libavcodec/mpeg12dec.c
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Fixes Ticket2632
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
(cherry picked from commit b009267910df10c004b5f340a090d45da29089a0)
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Fix null pointer dereference
Fixes Ticket2588
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
(cherry picked from commit bf87908cd8da31e8f8fe75c06577170928ea70a8)
Conflicts:
libavformat/rmdec.c
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This ensures that theres enough data for mpeg_probe() to recognize mpeg-ps
Fixes Ticket2583
Based on code by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
(cherry picked from commit c605adbf562fbf535e83ae427bb681bc45e440c8)
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Fixes ticket #2688.
(cherry picked from commit 06bede95fcea47d2e51e8ff248c15311f335b898)
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Fixes ticket #2497
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
(cherry picked from commit 8aea2f05dc56f7e7d60767dd27ba8e846a05e8ae)
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Fixes Ticket2606
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
(cherry picked from commit 826b3a75cd295c03720e00d3de83e1abcbedd4b9)
Conflicts:
libavcodec/h264_cavlc.c
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Fixes Ticket2425
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
(cherry picked from commit 2211c76287e073a9e176fde7dbb9a63ceb2af8d1)
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Fixes Ticket2490
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
(cherry picked from commit 6c593f1b671b7725b8c36f92f7c0a23ccf8e7628)
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Fixes ticket #2533.
(cherry picked from commit a07ac1f7888fd08e42da2bed0421e74f1cfac177)
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Fixes decoding with picky media players.
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
(cherry picked from commit b448c0a68d0cc7dfef736267dfdaed0e213c020b)
Conflicts:
libavformat/movenc.c
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Many players ignore broken aac frames, so don't abort mov or flv
muxing when encountering one, just print a warning instead.
Fixes ticket #2380.
(cherry picked from commit 1741fece7073f51efdd837a4f307ea2cdf3d1cfb)
Conflicts:
libavformat/flvenc.c
libavformat/movenc.c
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requested.
Reconfiguring can break x264 lossless encoding.
Fixes ticket #2165.
(cherry picked from commit 75c7e4583f4fd727d236a12763a265502fe00988)
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